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Vulnerability record · CVE-2023-4931 · published 27 November 2023

CVE-2023-4931: Plesk uncontrolled search path element vulnerability

Plesk · Plesk

Uncontrolled search path element vulnerability in Plesk Installer affects version 3.27.0.0. A local attacker could execute arbitrary code by injecting DLL files into the same folder where the application is installed, resulting in DLL hijacking in edputil.dll, samlib.dll, urlmon.dll, sspicli.dll, propsys.dll and profapi.dll files.

7.8 CVSS 3.1 High EPSS 0.25% · top 85.4% CWE-427 · Uncontrolled search path element
7.8CVSS 3.1 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Uncontrolled search path element vulnerability in Plesk Installer affects version 3.27.0.0. A local attacker could execute arbitrary code by injecting DLL files into the same folder where the application is installed, resulting in DLL hijacking in edputil.dll, samlib.dll, urlmon.dll, sspicli.dll, propsys.dll and profapi.dll files.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.plesk.com/hc/en-us/articles/17426121182103 Vendor Advisory
https://www.incibe.es/en/incibe-cert/notices/aviso/uncontrolled-search-path-element-vulnerability-plesk Third Party Advisory
https://support.plesk.com/hc/en-us/articles/17426121182103 Vendor Advisory
https://www.incibe.es/en/incibe-cert/notices/aviso/uncontrolled-search-path-element-vulnerability-plesk Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-4931), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.